3b9eb1a875
Automatic merge from submit-queue (batch tested with PRs 44440, 44038, 44302, 44316, 43876) Extend the gc admission plugin to check ownerReference.blockOwnerDeletion #Extend the gc admission plugin to prevent user who doesn't have delete permission of the *owner* from changing blockOwnerDeletion field of existing ownerReferences, or adding ownerReference with blockOwnerDeletion=true. The plugin need a RESTMapper to translate ownerRef.Kind to Resource. It should be using a dynamic one. However, as discussed in https://github.com/kubernetes/kubernetes/pull/42615, such a RESTMapper will be built after watchable discovery API is implemented, so in this PR the plugin is using the `api.Registry.RESTMapper()`, which is also [used](https://github.com/kubernetes/kubernetes/blob/master/cmd/kube-controller-manager/app/core.go#L165-L166) by the garbage collector currently. ```release-note Extending the gc admission plugin so that a user who doesn't have delete permission of the *owner* cannot modify blockOwnerDeletion field of existing ownerReferences, or add new ownerReference with blockOwnerDeletion=true ``` cc @lavalamp |
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Kubernetes
Kubernetes is an open source system for managing containerized applications across multiple hosts, providing basic mechanisms for deployment, maintenance, and scaling of applications.
Kubernetes builds upon a decade and a half of experience at Google running production workloads at scale using a system called Borg, combined with best-of-breed ideas and practices from the community.
Kubernetes is hosted by the Cloud Native Computing Foundation (CNCF). If you are a company that wants to help shape the evolution of technologies that are container-packaged, dynamically-scheduled and microservices-oriented, consider joining the CNCF. For details about who's involved and how Kubernetes plays a role, read the CNCF announcement.
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See our documentation on kubernetes.io.
Try our interactive tutorial.
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If you want to build Kubernetes right away there are two options:
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$ go get -d k8s.io/kubernetes
$ cd $GOPATH/src/k8s.io/kubernetes
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